Senior Software Engineer, Customer Agent
Core
Building the future of Customer Agent, Klaviyo's AI-native conversational platform to enable autonomous service and agentic commerce experiences at scale.
Role type
Senior Full Stack Engineer (AI-native conversational platform)
Builds
Intelligent workflows, conversational experiences, tools integrations, retrieval systems, onboarding flows, observability, and multi-channel customer engagement
Domain
Ecommerce marketing + AI/LLM conversational agents
Deliverable
production ML models | product features
Required skills
End-to-end software development, scalable system architecture, technical leadership, mentoring, code review, testing and deployment cycles, product mindset, cross-functional collaboration
Preferred skills
Python, React, conversational AI systems, workflow engines, agentic platforms, retrieval systems, embeddings, LLM orchestration, cloud-native solutions (AWS), multi-tenant SaaS platforms, observability and AI evaluation tooling
Technologies
Python, React, AWS
Responsibilities
Design, build, and scale systems powering intelligent workflows and conversational experiences; develop foundational platform capabilities and customer-facing experiences; act as a technical leader and mentor; deploy reliable, scalable solutions; collaborate across engineering, product, design, data science, and go-to-market teams
Seniority
Senior, hands-on IC with leadership responsibilities